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Check to see if a string is serialized?
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In case the passed string is not
unserializeable, FALSE is returned and
E_NOTICE is issued.
So, you have to check if the return value is false or not (with === or !==, to be sure not to have any problem with 0 or null or anything that equals to false, I'd say).
Just beware the notice : y...
How do I select an entire row which has the largest ID in the table?
...nique. I did some benchmarking using set profiling = 1; ...; show profiles and it appears our solutions have the same performance using MySQL. For my own knowledge, do you know what DBMS has poorer performance for subselects?
– unutbu
Feb 7 '14 at 20:08
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Can I have an IF block in DOS batch file?
.... You will unfortunately need to create nested blocks of if statements to handle that.
Secondly, that %GPMANAGER_FOUND% == true test looks mighty suspicious to me. I don't know what the environment variable is set to or how you're setting it, but I very much doubt that the code you've shown will p...
How to do what head, tail, more, less, sed do in Powershell? [closed]
On windows, using Powershell, what are the equivalent commands to linux's head , tail , more , less and sed ?
7 Answe...
JSON.net: how to deserialize without using the default constructor?
I have a class that has a default constructor and also an overloaded constructor that takes in a set of parameters. These parameters match to fields on the object and are assigned on construction. At this point i need the default constructor for other purposes so i would like to keep it if i can. ...
What exactly is LLVM?
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LLVM is a library that is used to construct, optimize and produce intermediate and/or binary machine code.
LLVM can be used as a compiler framework, where you provide the "front end" (parser and lexer) and the "back end" (code that converts LLVM's representation to actual machi...
Find index of last occurrence of a substring in a string
...find() return code -1, you may prefer rindex() that will provide an understandable error message. Else you may search for minutes where the unexpected value -1 is coming from within your code...
Example: Search of last newline character
>>> txt = '''first line
... second line
... third ...
How can I generate a list or array of sequential integers in Java?
Is there a short and sweet way to generate a List<Integer> , or perhaps an Integer[] or int[] , with sequential values from some start value to an end value?
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ASP.NET MVC Razor render without encoding
... the IHtmlString class, which renders unencoded HTML.") I also tested this and quotes are not encoded.
– James Wilkins
Dec 4 '17 at 6:25
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How do I get the full path to a Perl script that is executing?
I have Perl script and need to determine the full path and filename of the script during execution. I discovered that depending on how you call the script $0 varies and sometimes contains the fullpath+filename and sometimes just filename . Because the working directory can vary as well I can't ...